diff --git a/package.json b/package.json
index 1c0a3a8..de89a63 100644
--- a/package.json
+++ b/package.json
@@ -30,6 +30,6 @@
   "license": "MIT",
   "dependencies": {
     "extend-shallow": "^3.0.2",
-    "inline-css": "^2.4.0"
+    "inline-css": "^4.0.1"
   }
 }